interplay of climate and climate change
Tài liệu Carnivore Ecology and Conservation A Handbook of Techniques pptx
... Milner-Gulland and J Marcus Rowcliffe Invasive Species Management: A Handbook of Principles and Techniques Mick N Clout and Peter A Williams Amphibian Ecology and Conservation: A Handbook of Techniques ... exploited and converted to human-dominated land use and as such are no longer suitable habitat, and in predicting changes in species distributions associated with changes in land use and climate ... Turner, and Sacha Spector Marine Mammal Ecology and Conservation: A Handbook of Techniques Ian L Boyd, W Don Bowen, and Sara J Iverson Carnivore Ecology and Conservation: A Handbook of Techniques...
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Carnivore Ecology and Conservation: A Handbook of Techniques pptx
... Milner-Gulland and J Marcus Rowcliffe Invasive Species Management: A Handbook of Principles and Techniques Mick N Clout and Peter A Williams Amphibian Ecology and Conservation: A Handbook of Techniques ... exploited and converted to human-dominated land use and as such are no longer suitable habitat, and in predicting changes in species distributions associated with changes in land use and climate ... Turner, and Sacha Spector Marine Mammal Ecology and Conservation: A Handbook of Techniques Ian L Boyd, W Don Bowen, and Sara J Iverson Carnivore Ecology and Conservation: A Handbook of Techniques...
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Báo cáo y học: "Pravastatin Provides Antioxidant Activity and Protection of Erythrocytes Loaded Primaqe"
... fragility and oxidative damage of erythrocytes of zinc-deficient rats J Nutr 1997; 127: 1290–1296 Lajos N, Miki N, Sandor S Protein and non-protein sulfhydryls and disulfides in gastric mucosa and ... spectrophotometric method [20] A mixture of 200 μL of 8% sodium dodecyl sulfate, 200 μL of 0.9% thiobarbituric acid and 1.5 ml 20% acetic acid was prepared 200 μL of RBCs lysate and 1.9 ml distilled water ... the volume of ml After boiling for h, the mixture was cooled, and ml of n-butanol and pyridine (15:1) solution was added to it This mixture was then centrifuged at 5000 rpm for 15 and the absorbance...
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Windows Home Server Protect and Simplify Your Digital Life
... part of your plan You learn how to manage backups and user accounts on Windows Home Server, and gain an understanding of how specific facets of your home network might drive you to change some of ... Vista, as well as (X)HTML and Web development Working for clients and students — and just out of curiosity — Mark digs deeply into understanding and explaining how things work and why they don't always ... instructions and explanations of some of the more complicated aspects of setting up and using Windows Home Server Lastly, anyone who wants to leverage the features of Windows Home Server to protect and...
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Tài liệu Physical Activity and Women’s Health pptx
... 1993) McGinnis and Foege (1993) summarized reports that attributed dietary factors and sedentary lifestyles with 22 to 30% of cardiovascular deaths, 20 to 60% of cancer deaths, and 30% of diabetes ... to alter their health risks, and that health and educational professionals must mount new efforts to develop culturally appropriate and sensitive health programs and educational materials But, ... 55,506 women from 48 states and the District of Columbia (Prevalence of recommended levels , 1995) These women were asked about the frequency, duration, and intensity of their leisuretime physical...
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Tài liệu Time trends in leisure time physical activity and physical fitness in elderly people: 20 year followup of the Spanish population national health survey (1987-2006) docx
... proportional random selection of primary and secondary sampling units (towns and sections, respectively), with the final units (individuals) being selected by means of random routes and sex- and age-based ... contributions DPC conceived of the study, and participated in its design and coordination and draft the manuscript CAB carried out the acquisition of the data, analysis and interpretation of data She has ... prevalence of PA for adults aged 65 and over using Spanish National Health Surveys (SNHS) conducted in the period 1987-2006 The objectives of this study were: 1) to describe the prevalence of LTPA and...
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Tài liệu Báo cáo khoa học: Secondary substrate binding strongly affects activity and binding affinity of Bacillus subtilis and Aspergillus niger GH11 xylanases docx
... NMR-monitored titrations of Bacillus circulans xylanase [13] and X-ray analysis of crystals of catalytically incompetent mutants of the xylanases of Bacillus subtilis (XBS) and Aspergillus niger ... of the SBS Residues of the SBS of both XBS and XAN involved in substrate interaction were selected based on the crystal structures of XBS and XAN soaked with xylotetraose and xylopentaose, respectively ... effect of genetic engineering of the secondary binding site of the B subtilis and A niger xylanases on the screening ratio The screening ratio is defined as the ratio of activity on Xylazyme AX and...
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Tài liệu Báo cáo khoa học: Processing, catalytic activity and crystal structures of kumamolisin-As with an engineered active site pptx
... pH 7.0 and °C for h, followed by SDS ⁄ PAGE The rate of ligation was estimated from percentage intensity of the band of the 57-kDa protein in a total of intensities of the 57-kDa, 38-kDa and 19-kDa ... at pH 7.0 and °C for indicated periods of time Lane c, the nicked precursor was incubated at pH 7.0 and °C for 24 h and then dialyzed overnight at °C and pH 4.0 (B) Effects of addition of different ... different amounts of the 38-kDa mature form (s) and the wild-type enzyme (d) on the rate of ligation Catalytic and substoichiometric amounts (molar ratio of 0.01 and 0.1, respectively) of these proteins...
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Tài liệu Báo cáo khoa học:Symmetric fluoro-substituted diol-based HIV protease inhibitors Ortho-fluorinated and meta-fluorinated P1/P1¢-benzyloxy side groups significantly improve the antiviral activity and preserve binding efficacyy docx
... Oshunleti, O., Daly, J.W & Kirk, K.L (2000) Syntheses of (R )and (S)-2- and 6-fluoronorepinephrine and (R)- and (S)-2- and 6-fluoroepinephrine: effect of stereochemistry on fluorine-induced adrenergic ... ED50 of 0.02 lM, albeit it has a moderate Ki of 3.3 nM compared with the reference compound with an ED50 of 0.1 lM and a Ki of 1.2 nM However, the most convincing evidence on the ability of fluorine ... Design and synthesis of HIV-1 protease inhibitors Novel tetrahydrofuran P2/P2¢-groups interacting with Asp29/30 of the HIV-1 protease Determination of binding from X-ray crystal structure of inhibitor...
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Tài liệu Báo cáo khoa học: Mutational analysis of plasminogen activator inhibitor-1 Interactions of a-helix F and its neighbouring structural elements regulates the activity and the rate of latency transition pdf
... are indicated in green, a-helix F in orange and parts of b-sheet A in pink Backbone atoms of the s1A/hFloop (residues D127 to E130) and of the top of hF and the hF/s3Aloop (residues T146 to L154) ... behaviour and a low unstable inhibitory activity, and for I137A a biphasic loss of activity (Fig and Table 3) The phenotype of these substitutions is therefore different from that of N139A, T146A and ... assay and expressed as percentage of the theoretical maximum The activity was monitored over time and the rate of latency transition expressed as the functional half-life, t½ The averages and standard...
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Tài liệu Báo cáo khoa học: Changes in rat liver mitochondria with aging Lon protease-like activity and N e-carboxymethyllysine accumulation in the matrix doc
... bands are stained, with two intense signals of 70 and 50 kDa, while the bands at 60 and 150 kDa vanished With oxyblot (Fig 4C), antibodies stained carbonylated proteins mainly in band ranges of ... comparable pattern of bands, although two bands of 60 and 150 kDa strongly visible at 10 months (lane 1) were absent at 27 months, and an important band of 70 kDa (lane 2) emerged in this latter ... consumption in state and in state 4, respiratory control ratio (RCR) of oxygen consumptions in states and and the ADP/O ratio were calculated Oxygen consumption in the presence of 40 lM of dinitrophenol...
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Tài liệu Báo cáo khoa học: Endotoxic activity and chemical structure of lipopolysaccharides from Chlamydia trachomatis serotypes E and L2 and Chlamydophila psittaci 6BC pdf
... a ratio of : : 0.01 (v/v/v) and sprayed at a flow rate of lLÆmin)1 MALDI-TOF MS of LPS and free lipid A were performed on a Reflex III (Bruker-Daltonik, Bremen, Germany) in the linear TOF configuration ... C18:0, C20:0 and 3-OH-C20:0 MALDI-MS and ESI-MS analysis As a first step in the structural analysis, LPS and de-Oacylated LPS of C trachomatis serotype E was analyzed by MALDI-TOF and ESI-FT-ICR ... complex pattern of several groups of ion peaks representing molecular ions (centered around m/z 2510, 2300 and 2005) and of laser-induced fragment ions [18] representing the lipid A moiety of LPS (centered...
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Báo cáo khoa học: Relationship between functional activity and protein stability in the presence of all classes of stabilizing osmolytes ppt
... acids and amino acid derivatives, and values of DGD°, measured in triplicate, are given in Table The effect of polyols on the kinetic parameters (Km and kcat) of the RNase-A mediated hydrolysis of ... reaction of the free enzyme and free substrate [29] We have therefore estimated kcat ⁄ Km values of all the reactions in the presence and absence of all classes of osmolytes It can be Fig Effect of ... stability and catalytic efficiency Plot of Dlog(kcat ⁄ Km) versus DDGD° of RNase-A obtained in the presence of various osmolytes absence of sugars, i.e Km is decreased On the other hand, this change...
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Báo cáo khoa học: Haptoglobin binds the antiatherogenic protein apolipoprotein E – impairment of apolipoprotein E stimulation of both lecithin:cholesterol acyltransferase activity and cholesterol uptake by hepatocytes pdf
... polyacrylamide gel in denaturing and reducing conditions, and by western blotting (A) Coomassie-stained bands of isolated Hpt (lane 1), standard ApoE (lane 2), standard ApoA-I (lane 3), and partially purified ... HRP-conjugated avidin and ECL Coomassiestained bands of VLDL and LDL proteins are shown in lanes and 2, respectively VLDL and LDL proteins, blotted onto the PVDF membrane and incubated with biotinylated ... volumes of P-buffer (50 mm Na2HPO4 ⁄ NaH2PO4, pH 7.4), and then loaded with mL of plasma at a flow rate of 0.2 mLÆmin)1 After washing with P-buffer at a flow rate of mLÆmin)1, a proportion of Hpt and...
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Báo cáo khoa học: Simultaneous improvement of catalytic activity and thermal stability of tyrosine phenol-lyase by directed evolution ppt
... analysis of the consequent hits was also performed to investigate the simultaneous improvement of the activity and stability of Symbiobacterium toebii TPL, as a better structural understanding of how ... activities of A1 and A2 were two-fold greater than that of the wild-type enzyme, whereas the activity of the stability mutants was relatively unchanged The specific mutations in the activity and stability ... basis of a co-improvement in stability and activity For example, the T1 ⁄ values for AS4 and AS6 were 6.7 and 11.2 °C higher, respectively, and the catalytic activities were improved by 2.8- and...
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Báo cáo khoa học: Hyperthermophilic enzymes ) stability, activity and implementation strategies for high temperature applications pot
... correlation of the G-C content of the paired stem regions (Watson–Crick base pairing) of the 16S rRNA genes, with the actual length of the stem, and with their Topt [15] In spite of attempts ... specific enzymatic activity of the enzyme did not change upon adsorption Several examples of adsorption-induced activation of enzymes exist and the thermostable lipases are of particular interest ... activities of 15% and 78%, respectively, after days [81] 4050 Crucial for the development and optimization of hightemperature biocatalysis systems is the need to gain further understanding of structural...
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Báo cáo khoa học: The Vps4 C-terminal helix is a critical determinant for assembly and ATPase activity and has elements conserved in other members of the meiotic clade of AAA ATPases pdf
... proteins and recycling late Golgi proteins [13– 16] There are two mammalian isoforms of Vps4, VPS4A and VPS4B, which both function in endocytic trafficking [17] and virus budding [9,18–20] Members of ... by immunoblotting of cell extracts (Fig 1D) The expression level of each of the Vps4p mutant proteins was comparable with that of wild-type Vps4p Thus any loss of function of the mutant proteins ... binding of an ESCRT-III component, Vps20p, to wildtype and mutant Vps4p proteins in the presence and absence of ATP (Fig 5C) Binding of Vps20p to the Vps4p mutant proteins lacking the DEL, TRP and...
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Báo cáo khoa học: Engineering and characterization of human manganese superoxide dismutase mutants with high activity and low product inhibition potx
... backbone amide and carbonyl of Cys140 form hydrogen bonds with the backbone carbonyl and amide of Trp123, the side chain of which forms one wall of the active site cavity and the replacement of which ... due to a loss of the interaction between the side chains of Asn73 and Gln143 The X-ray crystal structure of hMnSOD shows that the side chain amide ˚ of Asn73 is near to (3.1 A) and possibly hydrogen ... 1N0J) of one monomer of wild-hMnSOD showing the relative positions of the residues that were changed in positive mutants obtained by directed evolution of Q143A hMnSOD Two mutations, C140S and...
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Báo cáo khoa học: Alpha-fetoprotein antagonizes X-linked inhibitor of apoptosis protein anticaspase activity and disrupts XIAP–caspase interaction ppt
... field and a combination of Simplex [65] and Powell algorithms [66] Coordinates of the NMR structures of the BIR2 [49] and BIR3 [50] domains were achieved from the Protein Data Bank files: 1C9Q and ... (500 lg of total protein in 100 lL of buffer C) and activated by addition of lm cytochrome c and mm dATP for 30 at 30 °C in the presence of AFP (6 lg) The reaction mixtures were cooled and incubated ... of a high level of apoptotic activation and the upregulation of IAPs in tumor tissue [8,16] Inactivation of XIAP or the cancellation of XIAP inhibition appears both necessary and sufficient for...
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Báo cáo khoa học: Amino acids at the N- and C-termini of human glutamate carboxypeptidase II are required for enzymatic activity and proper folding pptx
... chromatography and chromatofocusing, as described previously [21] Results Expression and secretion of truncated variants of GCPII To analyze the contribution of individual domains of human GCPII ... NaCl and 20 lL of the GCPII sample, were preincubated for 15 at 37 °C in a final volume of 225 lL A 25 lL mixture of 950 nM ÔcoldÕ NAAG (Sigma) and 50 nM H-labelled NAAG (51.9 CiÆmmol)1; New England ... transfected with 274/587 and 274/750 The presence of recombinant proteins in cell lysates was analyzed at 0, 4, and 12 h following the addition of inhibitors No immunoreactive bands of expected molecular...
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